<template>
  <li
      @mouseenter="isEnter=true"
      @mouseleave="isEnter=false"
      :class="{enter:isEnter}"
  >
    <label>
      <input type="checkbox" v-model="todoObj.done"/>
      <span>{{todoObj.name}}</span>
    </label>
    <button
        @click="deleteT(todoObj.id)"
        :style="{display:isEnter?'block':'none'}"
        class="btn btn-danger"
    >删除</button>
  </li>
</template>

<script>
export default {
  name: "Item",
  data(){
    return{
      isEnter:false
    }
  },
  props:{
    todoObj:Object,
    deleteTodo:Function,
    updateTodo:Function
  },
methods:{
  deleteT(id){
    if (confirm('你确定要删除吗')){
      this.deleteTodo(id)
    }
  },
  updateT(id,e){
    this.updateTodo(id,e.target.checked)
  }
}
}
</script>

<style scoped>
/*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  float: left;
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  display: none;
  margin-top: 3px;
}

li:before {
  content: initial;
}

li:last-child {
  border-bottom: none;
}
.enter{
  background: #bfa;
}
</style>